News tagged with ultraviolet

Mars methane linked to meteorites

Tiny amounts of methane in the Martian atmosphere may come not from living things, but from meteorites on the red planet's surface, the latest findings suggest.

Space & Earth / Space Exploration

created May 31, 2012 | popularity 4.7 / 5 (3) | comments 3 | with audio podcast

Researchers uncover how plant skin is assembled

(Phys.org) -- For the first time, scientists have identified how a plant's skin is assembled.

Biology / Biotechnology

created May 22, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Researchers take first steps toward X-ray superfluorescence

(PhysOrg.com) -- While physicist Robert Dicke is probably most famous for his work on the cosmic microwave background (CMB) – and being "scooped" while attempting to be the first to detect it – he ...

Physics / General Physics

created Nov 14, 2011 | popularity 4.6 / 5 (11) | comments 5 | with audio podcast feature

NIF facility fires record laser shot into target chamber

(PhysOrg.com) -- The National Ignition Facility (NIF) at Lawrence Livermore National Laboratory in California has set a new record for a laser shot. This past week, its combined 192 lasers fired a single 1.875-megajoule ...

Physics / General Physics

created Mar 21, 2012 | popularity 4.8 / 5 (28) | comments 36 | with audio podcast report

Rice lab mimics Jupiter's Trojan asteroids inside a single atom

Rice University physicists have gone to extremes to prove that Isaac Newton's classical laws of motion can apply in the atomic world: They've built an accurate model of part of the solar system inside a single ...

Physics / Quantum Physics

created Jan 24, 2012 | popularity 4.5 / 5 (13) | comments 6 | with audio podcast

Black hole came from a shredded galaxy

(PhysOrg.com) -- Astronomers using NASA's Hubble Space Telescope have found a cluster of young, blue stars encircling the first intermediate-mass black hole ever discovered. The presence of the star cluster ...

Space & Earth / Astronomy

created Feb 15, 2012 | popularity 4.6 / 5 (13) | comments 13 | with audio podcast

Hubble observes a dwarf galaxy with a bright nebula

(Phys.org) -- The NASA/ESA Hubble Space Telescope has made detailed observations of the dwarf galaxy NGC 2366. While it lacks the elegant spiral arms of many larger galaxies, NGC 2366 is home to a bright, ...

Space & Earth / Astronomy

created May 10, 2012 | popularity 5 / 5 (3) | comments 2 | with audio podcast

Transparent aluminium is 'new state of matter'

(PhysOrg.com) -- Oxford scientists have created a transparent form of aluminium by bombarding the metal with the world’s most powerful soft X-ray laser. 'Transparent aluminium' previously only existed in science ...

Physics / Condensed Matter

created Jul 27, 2009 | popularity 4.3 / 5 (107) | comments 48

Climatic effects of a solar minimum

An abrupt cooling in Europe together with an increase in humidity and particularly in windiness coincided with a sustained reduction in solar activity 2800 years ago. Scientists from the German Research Centre for Geosciences ...

Space & Earth / Earth Sciences

created May 06, 2012 | popularity 4.5 / 5 (13) | comments 92 | with audio podcast

New technology uses solar UV to disinfect drinking water

(PhysOrg.com) -- A team of Purdue University researchers has invented a prototype water-disinfection system that could help the world's 800 million people who lack safe drinking water.

Space & Earth / Environment

created Sep 29, 2011 | popularity 4.3 / 5 (11) | comments 10 | with audio podcast

Zinc oxide microwires improve the performance of light-emitting diodes

Researchers have used zinc oxide microwires to significantly improve the efficiency at which gallium nitride light-emitting diodes (LED) convert electricity to ultraviolet light. The devices are believed to ...

Nanotechnology / Nanophysics

created Oct 31, 2011 | popularity 4.6 / 5 (11) | comments 0 | with audio podcast

Reindeer see a weird and wonderful world of ultraviolet light

Researchers have discovered that the ultraviolet (UV) light that causes the temporary but painful condition of snow blindness in humans is life-saving for reindeer in the arctic.

Biology / Plants & Animals

created May 26, 2011 | popularity 5 / 5 (8) | comments 4 | with audio podcast

Researchers discover how key enzyme repairs sun-damaged DNA

Researchers have long known that humans lack a key enzyme -- one possessed by most of the animal kingdom and even plants -- that reverses severe sun damage.

Medicine & Health / Medical research

created Jul 25, 2010 | popularity 4.9 / 5 (28) | comments 3 | with audio podcast

Researchers unravel the mystery of quantum dot blinking

(PhysOrg.com) -- Research by Los Alamos scientists published today in the journal Nature documents significant progress in understanding the phenomenon of quantum-dot blinking. Their findings should enhanc ...

Nanotechnology / Nanophysics

created Nov 09, 2011 | popularity 5 / 5 (12) | comments 1 | with audio podcast

New semiconductor nanowire laser technology could kill viruses, improve DVDs

A team led by a professor at the University of California, Riverside Bourns College of Engineering has made a discovery in semiconductor nanowire laser technology that could potentially do everything from kill viruses to ...

Nanotechnology / Nanophysics

created Jul 05, 2011 | popularity 5 / 5 (8) | comments 6 | with audio podcast